| Teams 1968 Beltsville 300 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 1 | Dennis Holt | Paul Dean Holt | Ford |
| 3 | Fox Racing | Buddy Baker | Dodge |
| 4 | DeWitt Racing | John Sears | Ford |
| 5 | Rocky Hinton | Pete Hamilton | Ford |
| 6 | Castle Racing | Neil Castles | Plymouth |
| 7 | George Davis | George Davis | Chevrolet |
| 8 | Negre Racing | Ed Negre | Ford |
| 9 | Roy Tyner | Roy Tyner | Chevrolet |
| 10 | Champion Racing | Bill Champion | Ford |
| 17 | Holman-Moody Racing | David Pearson | Ford |
| 19 | Henley Gray Racing | Henley Gray | Ford |
| 20 | Clyde Lynn | Clyde Lynn | Mercury |
| 25 | Robertson Racing | Jabe Thomas | Ford |
| 28 | Brooks Racing | Earl Brooks | Ford |
| 34 | Scott Racing | Wendell Scott | Ford |
| 43 | Petty Enterprises | Richard Petty | Plymouth |
| 48 | Hylton Engineering | James Hylton | Dodge |
| 55 | Lyle Stelter | Tom Pistone | Ford |
| 64 | Elmo Langley & Henry Woodfield | Elmo Langley | Ford |
| 70 | McDuffie Racing | J.D. McDuffie | Buick |
| 71 | K&K Racing | Bobby Isaac | Dodge |
| 88 | Buck Baker Racing | Buck Baker | Oldsmobile |
| 95 | Henley Gray Racing | Frog Fagan | Ford |